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		<title>three.js webgl - materials - bump map [Lee Perry-Smith]</title>
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			#info {
				position: absolute;
				top: 0px; width: 100%;
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				font-family:Monospace;
				font-size:13px;
				text-align:center;
				z-index:1000;
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			#oldie {
				background:rgb(200,100,0) !important;
				color:#fff;
			}

			#vt { display:none }
			#vt, #vt a { color:orange; }
		</style>
	</head>

	<body>
		<div id="info">
			<a href="http://threejs.org" target="_blank">three.js</a> - webgl bump mapping without tangents using <a href="http://mmikkelsen3d.blogspot.sk/2011/07/derivative-maps.html">Morten Mikkelsen's</a> method -
			<a href="http://graphics.cs.williams.edu/data/meshes.xml#14" target="_blank">Lee Perry-Smith</a> head
		</div>

		<script src="../build/three.js"></script>

		<script src="js/Detector.js"></script>
		<script src="js/libs/stats.min.js"></script>

		<script>

			if ( ! Detector.webgl ) Detector.addGetWebGLMessage();

			var statsEnabled = true;

			var container, stats, loader;

			var camera, scene, renderer;

			var mesh;

			var spotLight;

			var mouseX = 0;
			var mouseY = 0;

			var targetX = 0;
			var targetY = 0;

			var windowHalfX = window.innerWidth / 2;
			var windowHalfY = window.innerHeight / 2;

			init();
			animate();

			function init() {

				container = document.createElement( 'div' );
				document.body.appendChild( container );

				//

				camera = new THREE.PerspectiveCamera( 27, window.innerWidth / window.innerHeight, 1, 10000 );
				camera.position.z = 1200;

				scene = new THREE.Scene();

				// LIGHTS

				scene.add( new THREE.HemisphereLight( 0x443333, 0x111122 ) );

				spotLight = new THREE.SpotLight( 0xffffbb, 2 );
				spotLight.position.set( 0.5, 0, 1 );
				spotLight.position.multiplyScalar( 700 );
				scene.add( spotLight );

				spotLight.castShadow = true;

				spotLight.shadow.mapSize.width = 2048;
				spotLight.shadow.mapSize.height = 2048;

				spotLight.shadow.camera.near = 200;
				spotLight.shadow.camera.far = 1500;

				spotLight.shadow.camera.fov = 40;

				spotLight.shadow.bias = -0.005;

				//

				var mapHeight = new THREE.TextureLoader().load( "obj/leeperrysmith/Infinite-Level_02_Disp_NoSmoothUV-4096.jpg" );

				mapHeight.anisotropy = 4;
				mapHeight.repeat.set( 0.998, 0.998 );
				mapHeight.offset.set( 0.001, 0.001 );
				mapHeight.wrapS = mapHeight.wrapT = THREE.RepeatWrapping;
				mapHeight.format = THREE.RGBFormat;

				var material = new THREE.MeshPhongMaterial( {
					color: 0x552811,
					specular: 0x222222,
					shininess: 25,
					bumpMap: mapHeight,
					bumpScale: 12
				} );

				loader = new THREE.JSONLoader();
				loader.load( "obj/leeperrysmith/LeePerrySmith.js", function( geometry ) { createScene( geometry, 100, material ) } );

				renderer = new THREE.WebGLRenderer( { antialias: false } );
				renderer.setClearColor( 0x060708 );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				container.appendChild( renderer.domElement );

				renderer.shadowMap.enabled = true;
				renderer.shadowMap.renderReverseSided = false;

				//

				renderer.gammaInput = true;
				renderer.gammaOutput = true;

				//

				if ( statsEnabled ) {

					stats = new Stats();
					container.appendChild( stats.dom );

				}

				// EVENTS

				document.addEventListener( 'mousemove', onDocumentMouseMove, false );
				window.addEventListener( 'resize', onWindowResize, false );

			}

			function createScene( geometry, scale, material ) {

				mesh = new THREE.Mesh( geometry, material );

				mesh.position.y = - 50;
				mesh.scale.set( scale, scale, scale );

				mesh.castShadow = true;
				mesh.receiveShadow = true;

				scene.add( mesh );

			}

			//

			function onWindowResize( event ) {

				SCREEN_WIDTH = window.innerWidth;
				SCREEN_HEIGHT = window.innerHeight;

				renderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );

				camera.aspect = SCREEN_WIDTH / SCREEN_HEIGHT;
				camera.updateProjectionMatrix();

			}

			function onDocumentMouseMove( event ) {

				mouseX = ( event.clientX - windowHalfX );
				mouseY = ( event.clientY - windowHalfY );

			}

			//

			function animate() {

				requestAnimationFrame( animate );

				render();
				if ( statsEnabled ) stats.update();

			}

			function render() {

				targetX = mouseX * .001;
				targetY = mouseY * .001;

				if ( mesh ) {

					mesh.rotation.y += 0.05 * ( targetX - mesh.rotation.y );
					mesh.rotation.x += 0.05 * ( targetY - mesh.rotation.x );

				}

				renderer.render( scene, camera );

			}

		</script>

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